The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
Dec. 27, 2018
Aac Technologies Pte. Ltd., Singapore, SG;
Ning Zhang, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present disclosure provides an acoustic device. A vibrating diaphragm includes an edge and a damper for fixing and supporting the edge, where the damper includes a middle dome and a circuit board for fixing and supporting the middle dome, the fixing part of the circuit board is provided with a conductive part electrically connected to a voice coil lead; and an orthographic projection of the middle dome on the circuit board is not overlapped with the conductive part. The orthographic projection of the middle dome of the acoustic device on the circuit board is not overlapped with the conductive part during spot welding between the circuit board and the voice coil, therefore the problem of a short circuit of an aluminum foil dome caused by the fact that the circuit board is broken down due to overhigh spot welding temperature and pressure can be avoided.